<template>
  <transition name="move">
    <div class="food" v-show="showFlag" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span><span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span><span v-show="food.oldPrice" class="old">￥{{food.oldPrice}}</span>
          </div>
          <div class="control-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div class="buy" v-show="!food.count || food.count === 0" @click="addFirst($event)">加入购物车</div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品介绍</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect @ratingTypeSelect="selectRating" @contentToggle="toggleContent" :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
        </div>
        <div class="rating-wrapper">
          <ul v-show="food.ratings && food.ratings.length">
            <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item" :key="rating.index">
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img class="avatar" width="12" height="12" :src="rating.avatar">
              </div>
              <div class="time">{{rating.rateTime | formatDate}}</div>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
              </p>
            </li>
          </ul>
          <div class="no-rating" v-show="!food.ratings ||
!food.ratings.length">暂无商品评价</div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script type="text/ecmascript-6">
import BScroll from 'better-scroll'
import Vue from 'vue'
import cartcontrol from 'components/cartcontrol/cartcontrol'
import split from 'components/split/split'
import ratingselect from 'components/ratingselect/ratingselect'
import {formatDate} from 'common/js/date'

const ALL = 2
export default {
  name: 'food',
  props: {
    food: Object
  },
  components: {
    cartcontrol,
    split,
    ratingselect
  },
  filters: {
    formatDate (time) {
      let date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm')
    }
  },
  data () {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: true,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽'
      }
    }
  },
  methods: {
    show () {
      this.showFlag = true
      this.selectType = ALL
      this.onlyContent = false
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.food, {
            click: true
          })
        } else {
          this.scroll.refresh()
        }
      })
    },
    hide () {
      this.showFlag = false
    },
    addFirst (event) {
      if (!event._constructed) {
        return
      }
      Vue.set(this.food, 'count', 1)
      this.$emit('cart-add', event.target)
    },
    needShow (type, text) {
      if (this.onlyContent && !text) {
        return false
      }
      if (this.selectType === ALL) {
        return true
      } else {
        return type === this.selectType
      }
    },
    selectRating (type) {
      this.selectType = type
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    toggleContent () {
      this.onlyContent = !this.onlyContent
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    }
    // 'ratingTypeSelect' (type) {
    //   this.selectType = type
    //   this.$nextTick(() => {
    //     this.scroll.refresh()
    //   })
    // },
    // 'contentToggle' (onlyContent) {
    //   this.onlyContent = onlyContent
    //   this.$nextTick(() => {
    //     this.scroll.refresh()
    //   })
    // }
  }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
@import "../../common/stylus/mixin.styl"
  .food
    position fixed
    top 0
    left 0
    bottom 48px
    z-index 30
    width 100%
    background #fff
    &.move-enter-active, &.move-leave-active
      transition all 0.2s linear
      transform translate3d(0,0,0)
    &.move-enter, &.move-leave-to
      transform translate3d(100%,0,0)
    .image-header
      position relative
      width 100%
      height 0
      padding-top 100%
      img
        position absolute
        left 0
        top 0
        width 100%
        height 100%
      .back
        position absolute
        left 0
        top 10px
        .icon-arrow_lift
          display block
          padding 10px
          font-size 20px
          color #fff
    .content
      position relative
      padding 18px
      .title
        line-height 14px
        margin-bottom 8px
        font-size 14px
        font-weight 700
        color rgb(7,17,27)
      .detail
        margin-bottom 18px
        height 10px
        line-height 10px
        font-size 0
        .sell-count, .rating
          font-size 10px
          color rgb(147,153,159)
        .sell-count
          margin-right 12px
      .price
        line-height 24px
        font-weight 700
        .now
          margin-right 8px
          font-size 14px
          color rgb(240,20,20)
        .old
          text-decoration line-through
          font-size 10px
          color rgb(147,153,159)
      .control-wrapper
        position absolute
        right 12px
        bottom 12px
      .buy
        position absolute
        right 18px
        bottom 18px
        z-index 10
        height 24px
        line-height 24px
        padding 0 12px
        box-sizing border-box
        border-radius 12px
        font-size 10px
        color #fff
        background rgb(0,160,220)
        &.fade-enter, &.fade-leave-to
          opacity 0
        &.fade-enter-active, &.fade-leave-active
          opacity 1
          transition all 0.2s
    .info
      padding 18px
      .title
        line-height 14px
        margin-bottom 6px
        font-size 14px
        font-weight 700
        color #07111b
      .text
        line-height 24px
        padding 0 8px
        font-size 12px
        color rgb(7,17,27)
    .rating
      padding-top 18px
      .title
        line-height 14px
        margin-left  18px
        font-size 14px
        font-weight 700
        color #07111b
    .rating-wrapper
      padding 0 18px
      .rating-item
        position relative
        padding 16px 0
        border-1px(rgba(7,17,27,0.1))
        .user
          position absolute
          right 0
          top 16px
          line-height 12px
          font-size 0
          .name
            display inline-block
            margin-right 6px
            vertical-align top
            line-height top
            font-size 10px
            color rgb(147,153,159)
          .avatar
            display inline-block
            border-radius 50%
        .time
          margin-bottom 6px
          line-height 12px
          font-size 10px
          color rgb(147,153,159)
        .text
          line-height 16px
          font-size 12px
          color rgb(7,17,27)
          .icon-thumb_up, .icon-thumb_down
            margin-right 4px
            line-height 16px
            font-size 12px
          .icon-thumb_up
            color rgb(0,160,220)
          .icon-thumb_down
            color rgb(147,153,159)
      .no-rating
        padding 16px 0
        font-size 12px
        color rgb(147,153,159)
</style>
